Social determinants: culture, family, peers, and meal patterns
Psychological determinants: mood, stress, and guilt
Attitudes about food:
Example: Optimistic Bias: individuals who perceive their diet to be healthy do not believe that they need to make dietary changes
Beliefs and knowledge about food are a set of ideas or concepts held by a person regarding a certain food, influenced by culture and varying from region to region
Food is not only concerned with quantity and quality but also with the process by which living organisms ingest, absorb, transport, utilize, and excrete food substances to maintain body functions
Function of nutrition: to maintain life, allowing growth and optimum health
Reasons why nutritional science is applied to nursing care:
Recognition of the role of nutrition in preventing diseases and illnesses
Adapting food patterns to nutritional needs within cultural, economic, and psychological frameworks
Modifying nutritional factors for therapeutic purposes in specified disease states
Terms:
Good nutrition: body has an adequate supply of essential nutrients for growth and maintenance of body functions
Poor nutrition: a state of inadequate or excess nutritional intake, common in people living in poverty
Nutrients are chemical substances found in food performing diverse roles in the body
Classification of nutrients:
As to function: nutrients for tissues and bodybuilding, furnishing heat and energy such as fats, carbohydrates, and protein
As to chemical properties: organic (protein, lipids, carbohydrates, vitamins) and inorganic (water, minerals)
As to essentiality: significant distribution to the body's physiological functioning
As to concentration: some nutrients needed in larger amounts than others